Complie Zaptel error

Making firmware object file for OCT6114-64D.ima
…/build_tools/make_firmware_object OCT6114-64D.ima firmware_oct6114-64d.o base.o
objcopy: Unknown Object -O
make[1]: *** [firmware_oct6114-64d.o] error 1

Making firmware object file for zaptel-fw-oct6114-064.bin
…/build_tools/make_firmware_object zaptel-fw-oct6114-064.bin zaptel-fw-oct6114-064.o …/wct4xxp/base.o

what should i do???